USN-2755-1: Cyrus SASL vulnerability

30 September 2015

cyrus-sasl2 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 15.04

Summary

Cyrus SASL could be made to crash if it processed specially crafted input.

Software Description

  • cyrus-sasl2 - Cyrus Simple Authentication and Security Layer

Details

It was discovered that Cyrus SASL incorrectly handled certain invalid password salts. An attacker could use this issue to cause Cyrus SASL to crash, resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 15.04
libsasl2-2 - 2.1.26.dfsg1-13ubuntu0.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to reboot your computer to make all the necessary changes.

References